| Similarity | Rank | |
|---|---|---|
| Hubble | 0.481 | 49607 |
| ESA | 0.472 | 15517 |
| CERN | 0.469 | 38787 |
| observatory | 0.463 | 17937 |
| Astronomy | 0.457 | 21432 |
| Herschel | 0.454 | 88675 |
| astronomer | 0.450 | 20224 |
| NGC_[number] | 0.450 | 64522 |
| WoW | 0.449 | 55115 |
| Andromeda | 0.446 | 89556 |
| telescope | 0.445 | 9569 |
| exoplanet | 0.440 | 88229 |
| Altair | 0.440 | 82228 |
| Portal | 0.440 | 13320 |
| APS | 0.439 | 24248 |
| Observatory | 0.439 | 28353 |
| ICO | 0.438 | 67184 |
| Skyrim | 0.438 | 51368 |
| IGN | 0.433 | 98413 |
| Europa | 0.432 | 26884 |
| Kepler | 0.431 | 46093 |
| IAC | 0.431 | 49491 |
| quasar | 0.429 | 61018 |
| Oblivion | 0.427 | 71588 |
| nova | 0.427 | 68897 |